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Apprentice Junior Web Developer Jobs in Missouri

Pega developer - ONLY GC or USC

Saint Louis, MO · On-site

$54.75 - $71.75/hr

Mentor junior developers and supervise implementation of designed solution. Experience/Education ... web services Development experience with Unix-based shell scripts Experience in system ...

Participate in technical discussions and mentor junior engineers. You're a great fit if you have: * 7+ years of experience building web applications. * Experience with Node.js, React.js, and ...

Mentor junior engineers and contribute to team growth through knowledge sharing and technical ... Strong proficiency in React for building modern, responsive web applications. * Advanced expertise ...

... web services, and custom APIs. • Mentor junior developers and contribute to team knowledge sharing and technical leadership. • Participate in strategic planning and roadmap development for ADMS ...

... web and mobile applications, creating new applications, implementing best practices, mentoring junior developers, adding new test cases, enhancing the CI/CD process for the front-end of mobile and ...

... web and mobile applications, creating new applications, implementing best practices, mentoring junior developers, adding new test cases, enhancing the CI/CD process for the front-end of mobile and ...

... web and mobile applications, creating new applications, implementing best practices, mentoring junior developers, adding new test cases, enhancing the CI/CD process for the front-end of mobile and ...

(USA) Staff, Software Engineer

Noel, MO · On-site

$110K - $220K/yr

... web and mobile applications, creating new applications, implementing best practices, mentoring junior developers, adding new test cases, enhancing the CI/CD process for the front-end of mobile and ...

... web and mobile applications, creating new applications, implementing best practices, mentoring junior developers, adding new test cases, enhancing the CI/CD process for the front-end of mobile and ...

(USA) Staff, Software Engineer

Noel, MO · On-site

$110K - $220K/yr

... web and mobile applications, creating new applications, implementing best practices, mentoring junior developers, adding new test cases, enhancing the CI/CD process for the front-end of mobile and ...

Showing results 21-40

Apprentice Junior Web Developer information

What are some typical challenges faced by an apprentice junior web developer during their first few months on the job?

As an Apprentice Junior Web Developer, you may encounter challenges such as adapting to new coding languages or frameworks, understanding version control systems like Git, and keeping up with frequent feedback from senior developers. You'll also need to balance learning on the job with meeting project deadlines and collaborating effectively within a team. Overcoming these challenges often requires strong communication skills, a willingness to ask questions, and proactive time management.

What is the difference between Apprentice Junior Web Developer vs Junior Web Developer?

AspectApprentice Junior Web DeveloperJunior Web Developer
Required CredentialsBasic coding skills, often in training or certification programsSome experience or completed training, possibly an entry-level certification
Work EnvironmentMentorship-focused, learning-oriented, often in training programsProfessional setting, contributing to projects with increasing independence
Employer & Industry UsageInternships, apprenticeships, entry-level roles in tech companiesFull-time roles in web development teams across industries

The main difference is that an Apprentice Junior Web Developer is typically in a training or mentorship phase, focusing on learning and skill development, while a Junior Web Developer has more practical experience and responsibilities in a professional setting.

What is an apprentice junior web developer?

Apprentice Junior Web Developers are entry-level professionals who are learning the foundational skills needed to build and maintain websites or web applications. They typically work under the supervision of more experienced developers and participate in both on-the-job training and formal education, such as coding bootcamps or apprenticeships. Their responsibilities often include writing basic code, fixing bugs, learning web technologies like HTML, CSS, and JavaScript, and gaining experience with tools and frameworks used in the industry. The goal of the apprenticeship is to help them develop the technical and professional skills required to become a fully qualified web developer.

What are the key skills and qualifications needed to thrive as an apprentice junior web developer?

To thrive as an Apprentice Junior Web Developer, you need a foundational understanding of HTML, CSS, JavaScript, and basic programming concepts, often acquired through formal education or coding bootcamps. Familiarity with version control systems like Git, code editors such as VS Code, and exposure to frameworks like React or Node.js are commonly expected. Strong problem-solving skills, attention to detail, and the ability to communicate and collaborate within a team are essential soft skills in this role. These skills ensure you can effectively contribute to web development projects, learn from more experienced developers, and adapt quickly to evolving technologies.
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Infographic showing various Apprentice Junior Web Developer job openings in Missouri as of June 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 100% Physical job distribution.

Application Developer II

Cass Information Systems

Bridgeton, MO • On-site

Full-time

Re-posted 2 days ago


Job description

The Application Developer II is responsible for the development and deployment of technology to meet the needs and requirements of Cass. This position will handle fixing system bugs of simple to medium complexity and will develop system enhancements or assist others on larger more complex enhancements.
PRINCIPAL RESPONSIBILITIES AND DUTIES:
  • Participates in the planning, design, and implementation effort as assigned by the business or IT management.
  • Develops and maintains modules based on technical designs and development standards.
  • Remediates production bugs/defects as assigned.
  • Supports quality assurance testing to confirm that acceptance criteria are met.
  • Recommends changes to the processes, techniques, and technology to improve product quality, work efficiency, system performance and workload balance.
  • Mentors junior development team members when needed.
  • Participates in brainstorming, discussion, and estimation sessions.
  • Performs other duties as assigned.

SKILLS AND ABILITIES REQUIRED:
  • Strong communication skills both written (technical documentation) and verbal (presentations to IT team members and other division teams).
  • Ability to multi-task while still maintaining an attention to detail.
  • Have a solid understanding of telecommunications carrier billing standards and formats.
  • Knowledge of OOP design and patterns.
  • Knowledge of Core, Web, and MVC.
  • Knowledge of Micro Services Architecture.
  • Knowledge of cloud services (Azure preferred).
  • Experience using DevOps and Agile practices.

MINIMUM LEVEL OF PREPARATION AND TRAINING NORMALLY REQUIRED:
  • Bachelor's degree in computer science or software engineering, or equivalent work experience.
  • 3-5 years of experience as a developer utilizing modern C#, Visual Studio, SQL 2012+.

APPLICATION PROCESS:
You can directly apply through Cass's website at https://www.cassinfo.com/careers. Please apply directly to this position via the "Apply" button. You will be required to create an account and provide your resume, contact information and other pertinent employment information. This process typically takes 20 minutes or less. Should we find that you meet the minimum requirement of the position, a member of our recruiting team will be in touch to start the interview process.
ABOUT OUR COMPANY:
Cass Information Systems, Inc. (NASDAQ: CASS) is a leading provider of integrated information and payment management solutions. Cass enables enterprises to achieve visibility, control and efficiency in their supply chains, communication networks, facilities, and other operations. Disbursing over $94 billion annually on behalf of its clients, and with total assets of $2.5 billion, Cass is uniquely supported by Cass Commercial Bank. Founded in 1906 and a wholly-owned subsidiary, Cass Commercial Bank provides sophisticated financial exchange services to the parent organization and its clients. Cass is part of the Russell 2000®. More information is available at www.cassinfo.com.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.